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    • 5. 发明授权
    • Process for the preparation of silicon or ferrosilicon
    • 硅或硅铁的制备工艺
    • US4435209A
    • 1984-03-06
    • US363812
    • 1982-03-31
    • Thomas Johansson
    • Thomas Johansson
    • C22C33/04C01B33/02C01B33/025C22C35/00C21C5/52
    • C01B33/025C22C35/005
    • A process for the production of silicon or ferrosilicon by reduction of silicon oxide, optionally in the presence of iron or iron oxide, using a carbonaceous reducing agent, in a reduction furnace. The yield is improved without harmful temperature rises if the ratio of the amount of thermal energy supplied to the furnace to the amount of silicon oxide supplied to the furnace is made adjustable in such a manner that a value for the ratio can be set within an interval, which interval in its lower end is limited by the lowest value permitting constant reduction of the silicon monoxide and silicon directly with a certain part of the reducing agent which is supplied at the top of the furnace, because the amount of produced silicon monoxide is insufficient for complete conversion of all the carbonaceous reducing agent to silicon carbide at the top of the furnace, and in its upper end is limited by the highest value permitting constant reduction of the silicon oxide raw material to silicon monoxide and silicon directly with silicon carbide, because the amount of produced silicon monoxide is sufficient for conversion of the carbonaceous reducing agent to silicon carbide at the top of the furnace, and that a sufficient content of reducing agent is maintained in the lower, hotter, parts of the furnace so that reduction to some extent can take place directly with the reducing agent.
    • 在还原炉中,通过还原氧化硅,任选地在铁或氧化铁存在下,使用碳质还原剂来生产硅或硅铁的方法。 如果供应给炉的热能的量与提供给炉的氧化硅的量的比例可以调整,使得该比率的值可以设定在间隔内 ,其下限的间隔受限于允许一氧化硅和硅直接与在炉顶部供应的还原剂的一部分直接还原的最低值,因为所产生的一氧化硅的量不足 为了将所有碳质还原剂完全转化为炉顶部的碳化硅,并且其上限受限于允许氧化硅原料直接用碳化硅直接还原成一氧化硅和硅的最高值,因为 所产生的一氧化硅的量足以将碳质还原剂转化为在顶部的碳化硅 并且在炉的下部,较热部分保持足够量的还原剂,使得在一定程度上还原可以与还原剂直接发生。
    • 7. 发明申请
    • Cell Selection in a Cellular Communication System
    • 蜂窝通信系统中的小区选择
    • US20120214501A1
    • 2012-08-23
    • US13035158
    • 2011-02-25
    • Thomas JohanssonHåkan PalmPaul Schliwa-Bertling
    • Thomas JohanssonHåkan PalmPaul Schliwa-Bertling
    • H04W72/02
    • H04W36/0055H04W36/0083H04W36/14H04W48/20H04W76/27H04W88/06
    • A method in a user equipment for handling cell selection is provided. While in dedicated mode the user equipment receives from a radio network node a measurement information message which indicates at least two frequencies associated with a respective cell in a respective radio access technology. While it is in dedicated mode, the user equipment performs measurements on the frequencies to obtain a respective measurement value for each one of them, and receives a selection indicator message comprising a respective priority for each one of the frequencies. The user equipment obtains a respective threshold value for each of the frequencies and successively evaluates the frequencies in descending priority order until a frequency is determined for which the measurement value exceeds its respective threshold value. When entering idle mode, the user equipment selects cell based on the evaluation.
    • 提供了一种用于处理小区选择的用户设备中的方法。 在专用模式下,用户设备从无线电网络节点接收指示在相应无线电接入技术中与相应小区相关联的至少两个频率的测量信息消息。 当处于专用模式时,用户设备对频率进行测量以获得每个频率的各自的测量值,并且接收对于每个频率包括相应优先级的选择指示符消息。 用户设备获得每个频率的相应阈值,并以降序优先级顺序连续评估频率,直到确定测量值超过其相应阈值的频率为止。 当进入空闲模式时,用户设备根据评估选择单元。